Rising bubble display device



FIG. 1 is a front-right perspective view of a rising bubble displaydevice that incorporates my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof; and,

FIG. 4 is a bottom view thereof.

A left side view, right side view, and rear view thereof are symmetricalto the front view shown in FIG. 3.

The small circles visible in the vertically extending column of thedevice are bubbles of gas rising in a liquid contained in the column.

The ornamental design for a rising bubble display device, as shown anddescribed.